If in a triangle \( A B C, \frac{\cos \mathrm{A}}{a}=\frac{\cos \ma... VIDEO
If in a triangle \( A B C, \frac{\cos \mathrm{A}}{a}=\frac{\cos \mathrm{B}}{b} \), show that the triangle is isosceles.https://bit.ly/YTAI_PWAP https://www.pw.live
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